ESO logo outline black

Specifically to be used on photos with a light background, when the standard logo cannot be used. This ESO logo has a transparent background.

ESO's logo is protected and may not be used or reproduced without prior and individual written consent of ESO.

This logo is not available for sale.

Usage advice:
The logo should never be used on a background with the same colour.
The contrast between the logo and the background should always be superior to 50%.
The logo proportions should not be changed.
The elements that compose the logo should not be removed and the colours should
not be altered